Food service tray



FIG. 1 is a perspective view of the food service tray of my new design;

FIG. 2 is a left side view of the food service tray of my new design;

FIG. 3 is a rear view of the food service tray of my new design;

FIG. 4 is a front view of the food service tray of my new design;

FIG. 5 is a right side view of the food service tray of my new design;

FIG. 6 is a top plan view of the food service tray of my new design; and,

FIG. 7 is a bottom plan view of the food service tray of my new design. 

The ornamental design for a food service tray, as shown. 